There has only been one official schism in the Roman Catholic Church since the Second Vatican Council. That occurred in 1988, when Archbishop Marcel Lefebvre consecrated four bishops against the express instructions of Pope John Paul II. That led to the excommunication of Lefebvre and those four bishops, and the schism of Lefebvre and his followers from Rome. Now 23 years have passed. In the history of the Church, it is often the case that, once a schism endures for a certain time, it becomes less easy to restore full union. Separate ecclesial cultures evolve, positions harden. Reunion postponed is...